.main {
  width: 980px;
  height: 455px;
  margin-left: 219px;
  margin-top: 10px;
}

.focus {
  position: relative;
  width: 721px;
  height: 440px;
  background-color: aqua;
  /* overflow: hidden; */
}

.focus ul {
  position: absolute;
  top: 0;
  left: 0;
  width: 600%;
}

.focus ul li {
  width: 721px;
  height: 440px;
  background-color: skyblue;
  float: left;
  color: #fff;
  font-size: 100px;
  text-align: center;
  line-height: 440px;
}
.focus ul li:nth-child(2) {
  background-color: green;
}
.focus ul li:nth-child(3) {
  background-color: blanchedalmond;
}
.focus ul li:nth-child(4) {
  background-color: orange;
}
.arrow-l,
.arrow-r {
  display: none;
  position: absolute;
  top: 50%;
  margin-top: -20px;
  width: 24px;
  height: 40px;
  background: rgba(0, 0, 0, 0.3);
  text-align: center;
  line-height: 40px;
  color: #fff;
  font-family: "icomoon";
  font-size: 18px;
  z-index: 2;
}

.arrow-r {
  right: 0;
}

.circle {
  position: absolute;
  bottom: 10px;
  left: 50px;
}

.circle li {
  float: left;
  width: 8px;
  height: 8px;
  /*background-color: #fff;*/
  border: 2px solid rgba(255, 255, 255, 0.5);
  margin: 0 3px;
  border-radius: 50%;
  /*鼠标经过显示小手*/
  cursor: pointer;
}

.current {
  background-color: #fff;
}
